1. Assistant Professor
2. Postdoctoral Fellow
3. Postdoctoral Fellow, Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, and Assistant Professor, Department of Anesthesiology and Pain Medicine, School of Medicine, Wonkwang University, Iksan, Korea.
4. Research Assistant
5. Principal Scientist, Neuromodulation Research, Medtronic Inc., Minneapolis, Minnesota.
6. Associate Professor, Department of Neuroscience
7. Professor, Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, Maryland.
8. Professor
9. Associate Professor, Department of Anesthesiology and Critical Care Medicine